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# -*- encoding: utf-8 -*-
require File.expand_path('../../../spec_helper', __FILE__)
describe "MatchData#offset" do
it "returns a two element array with the begin and end of the nth match" do
match_data = /(.)(.)(\d+)(\d)/.match("THX1138.")
match_data.offset(0).should == [1, 7]
match_data.offset(4).should == [6, 7]
end
it "returns [nil, nil] when the nth match isn't found" do
match_data = /something is( not)? (right)/.match("something is right")
match_data.offset(1).should == [nil, nil]
end
it "returns the offset for multi byte strings" do
match_data = /(.)(.)(\d+)(\d)/.match("TñX1138.")
match_data.offset(0).should == [1, 7]
match_data.offset(4).should == [6, 7]
end
not_supported_on :opal do
it "returns the offset for multi byte strings with unicode regexp" do
match_data = /(.)(.)(\d+)(\d)/u.match("TñX1138.")
match_data.offset(0).should == [1, 7]
match_data.offset(4).should == [6, 7]
end
end
end
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